28992879

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3943}}^1$

素因数の和:4011

約数の個数: 24

約数和(自身を含む): 45119360

約数和(自身を除く): 16126481

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 3943, 7353, 11829, 35487, 74917, 169549, 224751, 508647, 674253, 1525941, 3221431, 9664293, 28992879]

約数ペア:

[(1, 28992879), (3, 9664293), (9, 3221431), (19, 1525941), (43, 674253), (57, 508647), (129, 224751), (171, 169549), (387, 74917), (817, 35487), (2451, 11829), (3943, 7353)]